5143 Heracles (1991 VL)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7711709670 ± 6.95e-09
Semi-major axis (a)1.8347564263 AU ± 8.81e-10
Inclination (i)8.97896809° ± 6.58e-07
Long. of Asc. Node (Ω)309.09682018° ± 6.17e-06
Arg. of Perihelion (ω)228.20701038° ± 5.99e-06
Mean Anomaly (M)204.11730697° ± 8.55e-07
Mean Motion (n)0.3965926397°/day ± 2.86e-10
Perihelion dist (q)0.41984554 AU ± 1.28e-08
Aphelion dist (Q)3.24966731 AU ± 1.28e-08
Orbital Period2.48523594 yr ± 1.79e-09
Physical Parameters
H (abs. magnitude)14.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.196″
Uncertainty0
Orbit TypeApollo
MOID0.057437 AU
Observations Used4548
Radar Obs Used1
Gaia Obs Used175
Oppositions38
Arc Total1953-2026
First Observation Used1953-11-30
Last Observation Used2026-01-01
Observations (4888)
Date Type RA Dec Mag Band Observatory
2024-10-19 01:16:58 C 19 08 01.548 -21 01 32.41 V W68
2024-10-19 01:21:00 C 19 08 01.920 -21 01 31.22 V W68
2024-10-19 01:41:01 C 19 08 03.629 -21 01 26.87 V W68
2024-10-19 01:49:00 C 19 08 04.313 -21 01 24.78 V W68
2024-10-20 18:01:00 C 19 11 34.889 -20 52 27.84 V M22
2024-10-20 18:06:16 C 19 11 35.321 -20 52 26.72 V M22
2024-10-20 18:14:12 C 19 11 36.031 -20 52 25.07 V M22
2024-10-20 18:28:49 C 19 11 37.265 -20 52 21.83 V M22
2024-10-26 01:36:13 C 19 22 23.765 -20 23 31.16 V W68
2024-10-26 01:41:26 C 19 22 24.209 -20 23 29.65 V W68
2024-10-26 01:49:59 C 19 22 24.926 -20 23 27.85 V W68
2024-10-26 02:04:27 C 19 22 26.124 -20 23 24.18 V W68
2024-10-31 01:00:52 C 19 32 08.698 -19 55 41.70 V W68
2024-10-31 01:05:28 C 19 32 09.067 -19 55 39.94 V W68
2024-10-31 01:31:24 C 19 32 11.150 -19 55 32.66 V W68
2024-10-31 01:42:00 C 19 32 11.945 -19 55 31.44 V W68
2024-11-11 00:17:08 C 19 52 36.850 -18 51 36.43 V W68
2024-11-11 00:21:44 C 19 52 37.188 -18 51 35.68 V W68
2024-11-11 00:32:54 C 19 52 38.006 -18 51 33.48 V W68
2024-11-11 00:49:02 C 19 52 39.221 -18 51 29.38 V W68
2024-11-13 18:23:39 C 19 57 33.998 -18 34 55.27 V M22
2024-11-13 18:28:20 C 19 57 34.390 -18 34 53.47 V M22
2024-11-13 18:36:14 C 19 57 34.908 -18 34 52.14 V M22
2024-11-13 18:51:33 C 19 57 36.079 -18 34 48.68 V M22
2024-11-17 18:41:03 C 20 04 39.737 -18 10 11.03 V M22
2024-11-17 18:45:39 C 20 04 40.116 -18 10 10.06 V M22
2024-11-17 18:52:59 C 20 04 40.658 -18 10 08.47 V M22
2024-11-17 19:21:43 C 20 04 42.806 -18 10 00.66 V M22
2024-11-21 01:24:20 C 20 10 22.328 -17 49 39.11 V G96
2024-11-21 01:40:45 C 20 10 23.416 -17 49 32.23 V G96
2024-11-21 18:58:07 C 20 11 37.987 -17 44 56.65 V M22
2024-11-21 19:02:12 C 20 11 38.338 -17 44 54.56 V M22
2024-11-21 19:10:24 C 20 11 38.906 -17 44 51.79 V M22
2024-11-21 19:33:04 C 20 11 40.495 -17 44 44.84 V M22
2025-06-26 10:22:25 C 00 22 00.592 +08 59 59.71 V G96
2025-06-26 10:30:03 C 00 22 00.678 +09 00 01.22 V G96
2025-06-26 10:37:42 C 00 22 00.764 +09 00 02.59 V G96
2025-06-26 10:45:21 C 00 22 00.858 +09 00 04.10 V G96
2025-07-23 18:50:25 C 00 22 41.29 +10 26 00.4 V D29
2025-07-23 18:51:41 C 00 22 41.28 +10 26 00.5 V D29
2025-07-23 19:10:47 C 00 22 41.05 +10 26 01.8 V D29
2025-07-23 19:12:03 C 00 22 41.04 +10 26 01.9 V D29
2025-07-23 19:31:08 C 00 22 40.80 +10 26 02.9 V D29
2025-07-23 19:32:25 C 00 22 40.81 +10 26 03.1 V D29
2025-07-25 11:30:47 C 00 22 13.058 +10 28 30.43 V T08
2025-07-25 11:40:10 C 00 22 12.967 +10 28 30.90 V T08
2025-07-25 11:47:36 C 00 22 12.804 +10 28 31.51 V T08
2025-07-25 11:56:03 C 00 22 12.696 +10 28 32.41 V T08
2025-07-26 12:46:55 C 00 21 53.390 +10 29 51.97 V T05
2025-07-26 13:04:03 C 00 21 53.167 +10 29 52.91 V T05
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-12-03 14:46:00 163730800.42 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)